.number-rideo{
    position: absolute;
    right: 10px;
    top: 25%;
    color: #FFFFFF;
    background-color: red;
    border-radius: 10px;
    -moz-border-radius: 25px;
    font-size: 12px;
    height: 24px;
    width: 24px;
    text-align: center;
    padding-top: 4px;
}